/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.usergrid.persistence.core.rx;


import java.util.concurrent.ThreadPoolExecutor;

import com.google.common.base.Preconditions;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import rx.Scheduler;
import rx.schedulers.Schedulers;


/**
 * An implementation of the task scheduler that allows us to control the number of I/O threads
 */
public class RxTaskSchedulerImpl implements RxTaskScheduler {

    private final Scheduler scheduler;

    @Inject
    public RxTaskSchedulerImpl(final ThreadPoolExecutor executor){

        Preconditions.checkNotNull( executor , "executor must not be null");


        this.scheduler = Schedulers.from(executor);


    }


    @Override
    public Scheduler getAsyncIOScheduler() {
        return scheduler;
    }


}
